// 1999-05-11 bkoz

// Copyright (C) 1999, 2002, 2003, 2004 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// 21.3.3 string capacity

#include <boost/test/unit_test.hpp>
#include <xpcom/string.hpp>

BOOST_AUTO_TEST_CASE(test_capacity_1)
{
  // POD types : resize, capacity, reserve
  xpcom::string str01;
  typedef xpcom::string::size_type size_type_s;

  size_type_s sz01;
  size_type_s sz02;
#if 0
  size_type_s sz01 = str01.capacity();
  str01.reserve(100);
  size_type_s sz02 = str01.capacity();
  BOOST_CHECK( sz02 >= sz01 );
  BOOST_CHECK( sz02 >= 100 );
  str01.reserve();
  sz01 = str01.capacity();
  BOOST_CHECK( sz01 == 0 );
#endif

  sz01 = str01.size() + 5;
  str01.resize(sz01);
  sz02 = str01.size();
  BOOST_CHECK( sz01 == sz02 );

  sz01 = str01.size() - 5;
  str01.resize(sz01);
  sz02 = str01.size();
  BOOST_CHECK( sz01 == sz02 );

  xpcom::string str05(30, 'q');
  xpcom::string str06 = str05;
  str05 = str06 + str05;
  BOOST_CHECK( str05.capacity() >= str05.size() );
  BOOST_CHECK( str06.capacity() >= str06.size() );

  // POD types: size, length, max_size, clear(), empty()
  bool b01;
  xpcom::string str011;
  b01 = str01.empty();
  BOOST_CHECK( b01 == true );
  sz01 = str01.size();
  sz02 = str01.length();
  BOOST_CHECK( sz01 == sz02 );
  str01.c_str();
  sz01 = str01.size();
  sz02 = str01.length();
  BOOST_CHECK( sz01 == sz02 );

  sz01 = str01.length();
  str01.c_str();
  str011 = str01 +  "_addendum_";
  str01.c_str();
  sz02 = str01.length();
  BOOST_CHECK( sz01 == sz02 );
  sz02 = str011.length();
  BOOST_CHECK( sz02 > sz01 );

  // trickster allocator issues involved with these:
  xpcom::string str3 = "8-chars_8-chars_";
  xpcom::string str4 = str3 + "7-chars";

  sz01 = str01.size();
  sz02 = str01.max_size();
  BOOST_CHECK( sz02 >= sz01 );

  sz01 = str01.size();
  str01.clear();
  b01 = str01.empty();
  BOOST_CHECK( b01 == true );
  sz02 = str01.size();
  BOOST_CHECK( sz01 >= sz02 );
}
